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Virtual Walking Sensation by Prerecorded Oscillating Optic Flow and Synchronous Foot Vibration
Michiteru Kitazaki1, Takeo Hamada2, Katsuya Yoshiho
1Department of Computer Science and Engineering, Toyohashi University of Technology, Japan.
I-Perception
|October 31, 2019
Summary
Synchronous foot vibrations combined with oscillating visual scenes create a virtual walking sensation. This finding is crucial for developing more immersive virtual reality experiences.
Area of Science:
- Psychology
- Virtual Reality
- Human-Computer Interaction
Background:
- Virtual reality (VR) aims to simulate real-world experiences.
- Creating a convincing sense of walking in VR is challenging.
- Optic flow and haptic feedback are key sensory inputs for locomotion.
Purpose of the Study:
- To investigate the psychological effects of combining oscillating optic flow and synchronous foot vibrations.
- To determine if this combination can evoke a sensation of walking.
- To assess the impact of vibration timing on perceived walking sensations.
Main Methods:
- Participants viewed first-person walking scenes on a head-mounted display.
- Foot vibrations were synchronized with visual footstep timings.
- Control conditions included randomized vibrations and no vibrations.
- Participants rated walking-related sensations using a Visual Analogue Scale.
Main Results:
- Oscillating optic flow with synchronous foot vibrations significantly enhanced sensations of self-motion and walking.
- Telepresence and leg action perceptions were also stronger with the combined stimuli.
- Delayed foot vibrations reduced the perceived walking sensations.
- The synchronization between visual and haptic cues is critical.
Conclusions:
- The combination of oscillating visual scenes and synchronous foot vibrations effectively generates virtual walking sensations.
- This sensory integration is vital for enhancing the realism of VR locomotion.
- Findings have implications for the design of immersive VR systems and training simulations.
